Win32 API 日本語リファレンス
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AmsiScanString

関数
文字列内容をAMSIでマルウェアスキャンする。
DLLAmsi.dll呼出規約winapi対応OSWindows 10 以降

シグネチャ

// Amsi.dll
#include <windows.h>

HRESULT AmsiScanString(
    HAMSICONTEXT amsiContext,
    LPCWSTR string,
    LPCWSTR contentName,   // optional
    HAMSISESSION amsiSession,   // optional
    AMSI_RESULT* result
);

パラメーター

名前方向
amsiContextHAMSICONTEXTin
stringLPCWSTRin
contentNameLPCWSTRinoptional
amsiSessionHAMSISESSIONinoptional
resultAMSI_RESULT*out

戻り値の型: HRESULT

各言語での呼び出し定義

// Amsi.dll
#include <windows.h>

HRESULT AmsiScanString(
    HAMSICONTEXT amsiContext,
    LPCWSTR string,
    LPCWSTR contentName,   // optional
    HAMSISESSION amsiSession,   // optional
    AMSI_RESULT* result
);
[DllImport("Amsi.dll", ExactSpelling = true)]
static extern int AmsiScanString(
    IntPtr amsiContext,   // HAMSICONTEXT
    [MarshalAs(UnmanagedType.LPWStr)] string string,   // LPCWSTR
    [MarshalAs(UnmanagedType.LPWStr)] string contentName,   // LPCWSTR optional
    IntPtr amsiSession,   // HAMSISESSION optional
    out int result   // AMSI_RESULT* out
);
<DllImport("Amsi.dll", ExactSpelling:=True)>
Public Shared Function AmsiScanString(
    amsiContext As IntPtr,   ' HAMSICONTEXT
    <MarshalAs(UnmanagedType.LPWStr)> [string] As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> contentName As String,   ' LPCWSTR optional
    amsiSession As IntPtr,   ' HAMSISESSION optional
    <Out> ByRef result As Integer   ' AMSI_RESULT* out
) As Integer
End Function
' amsiContext : HAMSICONTEXT
' string : LPCWSTR
' contentName : LPCWSTR optional
' amsiSession : HAMSISESSION optional
' result : AMSI_RESULT* out
Declare PtrSafe Function AmsiScanString Lib "amsi" ( _
    ByVal amsiContext As LongPtr, _
    ByVal string As LongPtr, _
    ByVal contentName As LongPtr, _
    ByVal amsiSession As LongPtr, _
    ByRef result As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

AmsiScanString = ctypes.windll.amsi.AmsiScanString
AmsiScanString.restype = ctypes.c_int
AmsiScanString.argtypes = [
    wintypes.HANDLE,  # amsiContext : HAMSICONTEXT
    wintypes.LPCWSTR,  # string : LPCWSTR
    wintypes.LPCWSTR,  # contentName : LPCWSTR optional
    wintypes.HANDLE,  # amsiSession : HAMSISESSION optional
    ctypes.c_void_p,  # result : AMSI_RESULT* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('Amsi.dll')
AmsiScanString = Fiddle::Function.new(
  lib['AmsiScanString'],
  [
    Fiddle::TYPE_VOIDP,  # amsiContext : HAMSICONTEXT
    Fiddle::TYPE_VOIDP,  # string : LPCWSTR
    Fiddle::TYPE_VOIDP,  # contentName : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # amsiSession : HAMSISESSION optional
    Fiddle::TYPE_VOIDP,  # result : AMSI_RESULT* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "amsi")]
extern "system" {
    fn AmsiScanString(
        amsiContext: *mut core::ffi::c_void,  // HAMSICONTEXT
        string: *const u16,  // LPCWSTR
        contentName: *const u16,  // LPCWSTR optional
        amsiSession: *mut core::ffi::c_void,  // HAMSISESSION optional
        result: *mut i32  // AMSI_RESULT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("Amsi.dll")]
public static extern int AmsiScanString(IntPtr amsiContext, [MarshalAs(UnmanagedType.LPWStr)] string string, [MarshalAs(UnmanagedType.LPWStr)] string contentName, IntPtr amsiSession, out int result);
"@
$api = Add-Type -MemberDefinition $sig -Name 'Amsi_AmsiScanString' -Namespace Win32 -PassThru
# $api::AmsiScanString(amsiContext, string, contentName, amsiSession, result)
#uselib "Amsi.dll"
#func global AmsiScanString "AmsiScanString" sptr, sptr, sptr, sptr, sptr
; AmsiScanString amsiContext, string, contentName, amsiSession, result   ; 戻り値は stat
; amsiContext : HAMSICONTEXT -> "sptr"
; string : LPCWSTR -> "sptr"
; contentName : LPCWSTR optional -> "sptr"
; amsiSession : HAMSISESSION optional -> "sptr"
; result : AMSI_RESULT* out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。
#uselib "Amsi.dll"
#cfunc global AmsiScanString "AmsiScanString" sptr, wstr, wstr, sptr, int
; res = AmsiScanString(amsiContext, string, contentName, amsiSession, result)
; amsiContext : HAMSICONTEXT -> "sptr"
; string : LPCWSTR -> "wstr"
; contentName : LPCWSTR optional -> "wstr"
; amsiSession : HAMSISESSION optional -> "sptr"
; result : AMSI_RESULT* out -> "int"
; HRESULT AmsiScanString(HAMSICONTEXT amsiContext, LPCWSTR string, LPCWSTR contentName, HAMSISESSION amsiSession, AMSI_RESULT* result)
#uselib "Amsi.dll"
#cfunc global AmsiScanString "AmsiScanString" intptr, wstr, wstr, intptr, int
; res = AmsiScanString(amsiContext, string, contentName, amsiSession, result)
; amsiContext : HAMSICONTEXT -> "intptr"
; string : LPCWSTR -> "wstr"
; contentName : LPCWSTR optional -> "wstr"
; amsiSession : HAMSISESSION optional -> "intptr"
; result : AMSI_RESULT* out -> "int"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	amsi = windows.NewLazySystemDLL("Amsi.dll")
	procAmsiScanString = amsi.NewProc("AmsiScanString")
)

// amsiContext (HAMSICONTEXT), string (LPCWSTR), contentName (LPCWSTR optional), amsiSession (HAMSISESSION optional), result (AMSI_RESULT* out)
r1, _, err := procAmsiScanString.Call(
	uintptr(amsiContext),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(string))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(contentName))),
	uintptr(amsiSession),
	uintptr(result),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function AmsiScanString(
  amsiContext: THandle;   // HAMSICONTEXT
  string: PWideChar;   // LPCWSTR
  contentName: PWideChar;   // LPCWSTR optional
  amsiSession: THandle;   // HAMSISESSION optional
  result: Pointer   // AMSI_RESULT* out
): Integer; stdcall;
  external 'Amsi.dll' name 'AmsiScanString';
result := DllCall("Amsi\AmsiScanString"
    , "Ptr", amsiContext   ; HAMSICONTEXT
    , "WStr", string   ; LPCWSTR
    , "WStr", contentName   ; LPCWSTR optional
    , "Ptr", amsiSession   ; HAMSISESSION optional
    , "Ptr", result   ; AMSI_RESULT* out
    , "Int")   ; return: HRESULT
●AmsiScanString(amsiContext, string, contentName, amsiSession, result) = DLL("Amsi.dll", "int AmsiScanString(void*, char*, char*, void*, void*)")
# 呼び出し: AmsiScanString(amsiContext, string, contentName, amsiSession, result)
# amsiContext : HAMSICONTEXT -> "void*"
# string : LPCWSTR -> "char*"
# contentName : LPCWSTR optional -> "char*"
# amsiSession : HAMSISESSION optional -> "void*"
# result : AMSI_RESULT* out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。